/* ═══════════════════════════════════════════════════════════════════════
   global.css — Estilos compartidos entre TODAS las páginas
   ═══════════════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --color-primary: #0F4C75;
    --color-primary-dark: #0A3A5C;
    --color-accent: #00A688;
    --color-accent-light: #00C9A4;
    --color-accent-glow: rgba(0, 166, 136, 0.15);
    --color-navy: #1B2A4A;
    --color-navy-deep: #0D1B2A;
    --color-bg: #F4F7FA;
    --color-bg-warm: #FAFBFD;
    --color-card: #FFFFFF;
    --color-text: #2D3748;
    --color-text-light: #718096;
    --color-text-muted: #A0AEC0;
    --color-border: #E2E8F0;
    --color-border-light: #EDF2F7;
    --color-success: #48BB78;
    --color-danger: #FC8181;
    --color-warning: #F6AD55;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 14px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }
body {
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--color-text);
    background-color: #f4f4f4 !important;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}
#contenido-principal { flex: 1; }

/* ── Animaciones ── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
.animate-fade-up { animation: fadeInUp 0.6s ease-out forwards; }
.animate-fade-up-delay-1 { animation-delay: 0.1s; opacity: 0; }
.animate-fade-up-delay-2 { animation-delay: 0.2s; opacity: 0; }
.animate-fade-up-delay-3 { animation-delay: 0.3s; opacity: 0; }

/* ── Banner compartido ── */
.portal-banner {
    overflow: hidden;
    background: white;
    text-align: center;
}
.portal-banner img,
.banner-wrapper img {
    width: 100%;
    max-width: 1920px;
    height: 120px;
    object-fit: cover;
}
.banner-wrapper {
    position: relative;
    background: white;
    text-align: center;
    overflow: hidden;
    width: 1920px;
    max-width: 100%;
    margin: 0 auto;
}
.banner {
    background-color: #ffffff;
}
.banner-container {
    position: relative;
    overflow: hidden;
}
.banner-container img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}
.banner-badge {
    position: absolute;
    bottom: 4px;
    right: 12px;
    background: white;
    color: var(--color-navy);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    letter-spacing: 0.3px;
}
.linea-separadora {
    border: none !important;
    height: 4px !important;
    background: linear-gradient(to right, #003057, #00A688) !important;
    margin: 0 !important;
    opacity: 1 !important;
}

/* ── Botones ── */
.btn-portal-primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    padding: 10px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0,166,136,0.3);
}
.btn-portal-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,166,136,0.4);
    color: white;
}
.btn-portal-secondary {
    background: white;
    color: var(--color-primary);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 9px 20px;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}
.btn-portal-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-glow);
}
.btn-portal-danger {
    background: white;
    color: #E53E3E;
    border: 2px solid #FED7D7;
    border-radius: var(--radius-sm);
    padding: 10px 24px;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}
.btn-portal-danger:hover { background: #FFF5F5; border-color: #FC8181; }
.action-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 24px;
}

/* ── Navegación con hamburguesa responsive ── */
.portal-navegacion {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 6px;
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    border: 1px solid var(--color-border-light);
    overflow: visible;
    position: relative;
    z-index: 20;
}
.portal-navegacion .nav-tab {
    flex: 1;
    text-align: center;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--color-text-light);
    transition: var(--transition);
    white-space: nowrap;
    border: none;
    background: transparent;
}
.portal-navegacion .nav-tab:hover {
    background: var(--color-bg);
    color: var(--color-text);
}
.portal-navegacion .nav-tab.active {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    color: white;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,166,136,0.3);
}
/* Dropdown de calificaciones */
.nav-dropdown {
    position: relative;
    flex: 1;
    display: flex;
}
.nav-dropdown .nav-tab {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 10;
    background: var(--color-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    padding-top: 4px;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown-menu:hover {
    display: block;
}
.nav-dropdown-menu a {
    display: block;
    padding: 10px 16px;
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--color-text);
    transition: var(--transition);
}
.nav-dropdown-menu a:hover {
    background: var(--color-accent-glow);
    color: var(--color-accent);
}
/* Hamburguesa */
.nav-hamburger {
    display: none;
    position: fixed;
    top: 10px;
    right: 12px;
    z-index: 1001;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    width: 42px;
    height: 42px;
    cursor: pointer;
    font-size: 1.4rem;
    line-height: 42px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,166,136,0.4);
    transition: var(--transition);
}
.nav-hamburger:active {
    transform: scale(0.93);
}

/* ── Footer ── */
footer, footer.footer, footer.footer.mt-5 {
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
}
.portal-footer {
    background: linear-gradient(135deg, var(--color-navy-deep), var(--color-primary));
    color: rgba(255,255,255,0.8);
    text-align: center;
    padding: 20px;
    font-size: 0.8rem;
    line-height: 1.8;
    border: none !important;
}
.portal-footer a {
    color: var(--color-accent-light);
    text-decoration: none;
    transition: var(--transition);
}
.portal-footer a:hover { color: white; text-decoration: underline; }

/* ── Modales ── */
.modal-content {
    border-radius: var(--radius-lg) !important;
    border: none !important;
    box-shadow: var(--shadow-lg) !important;
    overflow: hidden;
}
.modal-header {
    background: var(--color-accent);
    color: white;
    border-bottom: none !important;
    padding: 16px 24px;
}
.modal-header .modal-title { font-family: var(--font-heading); font-weight: 600; }
.modal-header .btn-close { filter: invert(1); }
.modal-footer { border-top: 1px solid var(--color-border-light) !important; padding: 12px 24px; }
.iframe-sin-borde { border: none !important; }
.verde { background-color: var(--color-accent) !important; border-color: var(--color-accent) !important; color: white !important; }
.img-calendario { max-width: 100%; height: auto; }

/* ── Tablas compartidas (calificaciones, entradas/salidas, pagos) ── */
.portal-table-wrapper {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
}
.portal-table-wrapper table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}
.portal-table-wrapper thead tr,
.portal-table-wrapper thead tr.table-success,
.portal-table-wrapper tr.table-success {
    background: linear-gradient(135deg, var(--color-navy-deep), var(--color-primary)) !important;
}
.portal-table-wrapper thead th,
.portal-table-wrapper thead td,
.portal-table-wrapper tr.table-success td,
.portal-table-wrapper tr.table-success th {
    color: white !important;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 13px 12px !important;
    border: none !important;
    text-align: center;
    background: transparent !important;
}
.portal-table-wrapper tbody tr {
    transition: var(--transition);
    border-bottom: 1px solid var(--color-border-light);
}
.portal-table-wrapper tbody tr:nth-child(even) {
    background: #f8fafb;
}
.portal-table-wrapper tbody tr:hover {
    background: var(--color-accent-glow) !important;
}
.portal-table-wrapper tbody td {
    padding: 12px !important;
    text-align: center;
    color: var(--color-text);
    font-size: 0.85rem;
    border: none !important;
}
/* Barra de nombre del alumno */
.student-name-bar {
    background: linear-gradient(135deg, var(--color-navy-deep), var(--color-primary));
    color: white;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
}
.student-name-bar i { opacity: 0.7; }
/* Loader */
.portal-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 30px;
    color: var(--color-text-muted);
}
.portal-loader .spinner-border {
    color: var(--color-accent);
    width: 2rem;
    height: 2rem;
}

/* ── Cerrar sesión en nav ── */
.portal-navegacion .nav-tab[href*="FCerrarSesion"] {
    color: #E53E3E;
}
.portal-navegacion .nav-tab[href*="FCerrarSesion"]:hover {
    background: #FFF5F5;
    color: #C53030;
}

/* ── Overlay header (mobile close button) ── */
.nav-overlay-header { display: none; }

/* ── Backdrop overlay ── */
.nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.nav-backdrop.show {
    opacity: 1;
    visibility: visible;
}
body.nav-open { overflow: hidden; }

/* ── Visibilidad móvil/escritorio ── */
.nav-mobile-only { display: none; }
.nav-desktop-only { display: flex; }

/* ── Responsive compartido ── */
@media (max-width: 991px) {
    .portal-navegacion {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        width: 280px;
        height: 100vh;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        padding: 0 6px 16px;
        margin-bottom: 0;
        border-radius: 0;
        border: none;
        border-right: 1px solid var(--color-border-light);
        box-shadow: none;
        animation: none;
        opacity: 1;
    }
    .portal-navegacion.show {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0,0,0,0.12);
    }
    .nav-overlay-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 16px 12px;
        background: var(--color-primary);
        border-bottom: none;
        margin-bottom: 8px;
    }
    .nav-overlay-header span {
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 1.05rem;
        color: white;
    }
    .nav-close-btn {
        background: none;
        border: none;
        font-size: 1.2rem;
        color: rgba(255,255,255,0.8);
        cursor: pointer;
        padding: 4px 8px;
        border-radius: var(--radius-sm);
        transition: var(--transition);
    }
    .nav-close-btn:hover {
        background: rgba(255,255,255,0.15);
        color: var(--color-text);
    }
    .portal-navegacion .nav-tab {
        text-align: left;
        flex: none;
        font-size: 0.95rem;
    }
    .portal-banner img,
    .banner-wrapper img {
        height: 70px;
    }
    .banner-badge { font-size: 0.5rem; padding: 2px 6px; bottom: 2px; right: 8px; }
    .nav-hamburger { display: block; }
    .nav-mobile-only { display: block; }
    .nav-desktop-only { display: none !important; }
    .nav-dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        margin-top: 0;
        display: block;
        padding-left: 20px;
    }
    .nav-dropdown:hover .nav-dropdown-menu { display: block; }
}
@media (max-width: 576px) {
    .btn-portal-primary, .btn-portal-secondary {
        width: 100% !important;
        padding: 7px 12px !important;
        font-size: 0.85rem !important;
        margin: 4px 0 !important;
    }
    .portal-navegacion .nav-tab { font-size: 0.7rem; padding: 8px; }
    .portal-table-wrapper table {
        font-size: 0.72rem;
    }
    .portal-table-wrapper thead th,
    .portal-table-wrapper thead td,
    .portal-table-wrapper tr.table-success td,
    .portal-table-wrapper tr.table-success th {
        font-size: 0.65rem !important;
        padding: 6px 4px !important;
        letter-spacing: 0;
    }
    .portal-table-wrapper tbody td {
        font-size: 0.7rem !important;
        padding: 5px 4px !important;
    }
    .student-name-bar {
        font-size: 0.8rem;
        padding: 8px 12px;
    }
}

/* ── Paginación compartida ── */
.paginacion-wrapper {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(6px);
    border-radius: var(--radius-md);
    border: 1px solid rgba(226, 232, 240, 0.5);
    margin: 14px auto 0 auto;
}
#paginacion_contenedor {
    text-align: center;
}
.paginacion-info {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    font-family: var(--font-body);
}
.paginacion {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
    justify-content: center;
}
.pag-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.8rem;
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(226, 232, 240, 0.6);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    user-select: none;
}
.pag-btn:hover:not(.pag-active):not(.pag-disabled) {
    background: var(--color-accent-glow);
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,166,136,0.15);
}
.pag-active {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    color: white;
    border-color: transparent;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,166,136,0.3);
    cursor: default;
}
.pag-nav { font-size: 0.75rem; }
.pag-disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}
.pag-dots {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 32px;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    letter-spacing: 2px;
    user-select: none;
}
@media (max-width: 576px) {
    .pag-btn { min-width: 28px; height: 28px; font-size: 0.75rem; padding: 0 6px; }
    .paginacion-info { font-size: 0.7rem; }
    .paginacion-wrapper { padding: 8px 12px; }
}

/* ── Toast con barra de progreso ── */
.toast-progress-bar {
    height: 4px;
    background: var(--color-accent);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    animation: toastCountdown 4s linear forwards;
}
@keyframes toastCountdown {
    from { width: 100%; }
    to { width: 0%; }
}